Greer County is in Great Plains Country Oklahoma. Of the 77 counties in the Sooner State, Greer County is 59th in terms of its size (643 square miles). Greer County, Oklahoma, includes about 4,000 acres of residential land for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was about $13 million. The average price of residential acreage for sale in Greer County was $607,981. Browse all residential land and rural property for sale in Oklahoma to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.